Top similar games like Happy STG:

Clear hordes of cosmic critters in this simple 2D shooter but be carefully, bullets that exit the arena will warp behind you and become dangerous to you ship. Whatever goes around comes around.

A 2D action platformer focused on bosses and comedy. Join Chiclón and his bubblegum gun on a colorful adventure to rebuild a circus and defeat the fearsome Magnum Risum on the chaotic Laughter Island.

Dungeon Sucker is a 2D roguelite shooter. For the upcoming dungeon inspection, the Demon left for her summer vacation and entrusted the cleaning to an agency. Armed with the “Mighty Vacuum,” you can absorb anything that stands in your way. Clean up the chaotic dungeon—if you can!

The skies are aflame and the seas will overflow with wreckage in Vlambeer’s stylish arcade shooter LUFTRAUSERS! Take to the skies in customized fighter planes to battle battleships, submarines, and rival aces for glory, honor, and high scores.

桜を見ながら西瓜を割り、紅葉を見ながら鍋をつつく こんな季節に誰がした！ イレギュラーでシーズナルなシューティング幻想！

Take up your weapon in this RPG bullet-hell world and embark on a journey to right wrongs from long ago. Only you can defeat the evil forces of the Undying guardians and reunite the world with the fabled Archvale.

Destroy bosses one after another in this fast-paced and dynamic abyssal bullet hell!

Play as VTuber Grimmi and friends as she attempts to escape an endless cursed forest. Enjoy a blend of Action, RPG progression, and Sandbox elements for a unique take on the Survivor-like genre.

Shoot! Dodge! and... Get Hit!? "Ikaruga" is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!

Slay Goblins is an arena roguelite where you play a knight fighting off hordes of goblins. Choose from a variety of perks, weapons and items to create unique builds and defend your castle.

A flexible, high-performance 2D game creation tool that supports low-code development and advanced scripting.

Stay in the light, hunt the dark. Create your own hero through the four dimensions of role, skill, talent, and blessing outside the battle. In the battle, choose the most suitable equipment and weapons strategically to improve your strength and continue to fight.

Who are you fighting for? My usual job turns into a big mission. An easy-to-understand system reminiscent of the old barrage STG. Pave the way with powerful PowerShots!

When you have no weapon, no magic and no help - just dodge. Complete a set of trials to prove that you are a Dodge Grandmaster!

Fight by yourself or with friends to survive a gauntlet of enemies in set stages. Collect items to empower your character and take down enemies quicker. Play as multiple different characters with varying play styles. Fight strong bosses that reward you handsomely with more money than normal enemies.

Fight overwhelming hordes, unlock devastating abilities, and survive difficult objectives in this fantasy survivors-like. It’s either you or the enemy, and there’s a whole lotta enemy.

NOWGUN is a top-down, grid-based roguelite. Build your unique skill tree and see how long you can endure. Will your strategy carry you through, or will you fall to the relentless challenge ahead?

RADARjAM consists of the constant unpredictability of your enemy’s location. Dodge what you can't see in your radar equipped fighter!

Zunius - A Psychedelic Rogue-Like Bullet Hell. Beneath the stars, the moon and the infinite you will navigate this celestial journey as the mysterious traveller. Whom are you? Where are you? What is the nature of this universe? How can you possibly dodge all these bullets? Play this game to find out.

Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.

The Sousenkyou Battle Royale has hit the village's yellow brick roads! Strange things are happening behind the curtain. It's time for actors and stagehands to work hand-in-hand to find the real goals behind that popularity contest.

Blast through waves of alien enemies in Project AionIX! Master your piloting skills, dodge, and survive in this fast-paced space shooter!

Dracomaton is a top-down roguelike bullet hell about Eclipse, a small robot who awakens in an abandoned factory filled with corrupted training bots and the secrets of cosmic dragons. Fight your way to the top of the tower by transforming your robot body, changing your entire arsenal on the fly!

A roguelike transformation shooter where you transform your way through 20 deadly portal levels. Choose your octopus form – shoot, heal, freeze time, or dash – and gamble on which portal will take you further. Take too long and the safe portal disappears. Unlock new transformations with each victory

Finding Mom is a Singleplayer Bullet-Hell following a boy who is trying to find his captured mom. Experience the story, and enjoy the atmosphere that is created through handmade pixel art, music, and gameplay.

Tiamat’s Drink is a shoot ’em up roguelike game inspired by the 16-bit era consoles. Fight against powerful enemies, defeat unique bosses, unlock challenging levels and obtain extra powers! So get ready and don't forget to enjoy our exclusive soundtrack!

Save an innocent spirit from malevolent entities in Spiritual Prophecy. Choose up to three blessings, collect four fragments of faith, and activate the altar to win.

Embark on a quest for a rumored treasure while exploring ruins of an old civilization. A half survivor and half roguelike type game with partly randomized dungeons and character development by choice of cards found in the dungeons. Featuring unique dash attack and simple controls.

Dodge bullets while typing exorcisms at the very same time: Get ready for an electrifying mix between bullet hell and typing game! Turn on both sides of your brain and jump into the adventure of private exorcist Ray Bibbia!

Stranded in Starlight is a top-down roguelite where you pilot a spaceship armed with a variety of unique weapons and utilities. Battle relentless enemy hordes and powerful bosses as you upgrade your ship, adapting to each challenge in an ever-changing fight for survival.

Deploy your turrets and defend against an ever-growing mechanical horde! Upgrade your turrets separately in unique ways, use unique character abilities, and create powerful synergies.

A simplistic, dynamic Touhou fangame bullet hell shmup with a pixel art esthetic. Shoot down your enemies and dodge your way through an incessant barrage of projectiles!

Mysterious red eyes popped up in forest, the shrine was raided by unknown vermin, ominous black magic diffused everywhere, while the scarlet devil had been awaiting for opportunity... Is it an magic outbreak, or a conspiracy? Now, set out on a journey to the truth and unravel the enigmas!

弾幕は　地獄であるほど　美しい 深ければ深いほど地底は地獄の姿を取り戻す ヘリッシュでラブリーな弾幕シューティング地獄

Manaya is a simple bullet hell action game where the player enters a cave to kill monsters. Search for treasure rooms to find passives and merchant rooms to purchase buffs. Defeat hard bosses to unlock new characters.